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Liquid Crystal Display Ruler With Multiple Scales Disclosure Number: IPCOM000036840D
Original Publication Date: 1989-Nov-01
Included in the Prior Art Database: 2005-Jan-29

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Denoix, B McLean, JG Reed, AR Pickover, CA [+details]


A technique is described whereby a liquid crystal display (LCD) is fabricated, along with electronic circuitry, into a measuring scale ruler, so as to provide reading display versatility. Through the push of a button, the LCD displays scales in either inches or centimeters, and in various graduations, such as 1/8, 1/10, 1/15, log scale, "card scale", etc. (Image Omitted)